Or simply salt. I use it on weeds and it's brilliant.We've tried that Dino and it does kill the foliage quite quickly but doesn't kill the root system. Shirl found a write up for using white vinegar with a small amount of washing up liquid (which is supposed to make the mixture cling to the plant/weed).
Apparently Roundup is being withdrawn from sale due to links to some types of cancer. I suspect the same thing will eventually happen to the product @Mazza recommended to me too.
Tony.
@t-tony this may save your back - Middle of Lidl.

